package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;


@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> employee(HttpServletRequest request, @RequestBody Employee employee){
        String pw = employee.getPassword();
        String password = DigestUtils.md5DigestAsHex(pw.getBytes());

        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
        lqw.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(lqw);
        if (emp == null){
            return R.error("登陆失败");
        }
        if (!emp.getPassword().equals(password)){
            return R.error("登陆失败");
        }
        if (emp.getStatus()==0){
            return R.error("用户已禁用");
        }
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);

    }

    @PostMapping("/logout")
    public R<String> employeeOut(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }


    @GetMapping("/page")
    public R<Page> page(Integer page,Integer pageSize,String name){
        Page p = new Page(page,pageSize);
        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
        lqw.like(StringUtils.isNotEmpty(name),Employee::getUsername,name);
        employeeService.page(p,lqw);
        return R.success(p);
    }

    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        String md5DigestAsHex = DigestUtils.md5DigestAsHex("123456".getBytes());
        employee.setPassword(md5DigestAsHex);

       /* employee.setCreateTime(LocalDateTime.now());
        employee.setUpdateTime(LocalDateTime.now());

        Long empId =(Long) request.getSession().getAttribute("employee");

        employee.setCreateUser(empId);
        employee.setUpdateUser(empId);*/

        employeeService.save(employee);
        return R.success("员工添加成功");
    }

    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        /*Long empId =(Long) request.getSession().getAttribute("employee");

        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(empId);*/

        employeeService.updateById(employee);

        return R.success("员工信息修改成功");
    }

    @GetMapping("/{id}")
    public R<Employee> updateById(@PathVariable Long id){
        Employee byId = employeeService.getById(id);
        if (byId == null){
            return R.error("没有员工信息");
        }
        return R.success(byId);
    }

}
